Biology, 23.07.2019 02:30 juliagearhart9p229te
The ld 50 is a number scientists use in research to determine the dose of a toxin required to kill 50% of a population of organisms. biologists in louisiana have become concerned about cadmium levels in the water near new orleans, and the chance that frogs will die out. scientists have performed an experiment on bullfrog tadpoles in louisiana and the results are presented in the graph. the ld 50 for bullfrogs is reached a) at about 6 mg per gallon per day. b) at about 60% of surviving tadpoles. c) somewhere around 11 mg per gallon per day. d) somewhere between 2 mg and 3 mg per gallon per day.
Answers: 2
Biology, 21.06.2019 14:00
The seaport that is near caracas has which type of climate?
Answers: 1
Biology, 21.06.2019 22:00
What types of energy transfers and energy transportations are involved in the domino chain reaction?
Answers: 1
Biology, 21.06.2019 22:00
Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the
Answers: 1
The ld 50 is a number scientists use in research to determine the dose of a toxin required to kill 5...
Advanced Placement (AP), 22.02.2021 18:40
Computers and Technology, 22.02.2021 18:40
Mathematics, 22.02.2021 18:40
Mathematics, 22.02.2021 18:40
Computers and Technology, 22.02.2021 18:40
Mathematics, 22.02.2021 18:40
Mathematics, 22.02.2021 18:40
Mathematics, 22.02.2021 18:40
English, 22.02.2021 18:40